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For many people, learning a specific combat style instills a sense of confidence. But how do you know if the class you signed up for at your local dojo is worth it? Here’s Damian Ross, founder of the Self Defense Co., to teach you six signs that your self-defense instructor sucks. ​

A good spy never leaves any stone unturned. So today, I want to discuss what there is to be learned from the way spies research their targets. Because even if you aren’t a spy, these methods could still come in handy.